Many sunlike stars gobbled up some of their planets
New research shows that other sunlike stars in our galaxy aren’t so kind to their planets.
Up to a quarter of them may consume planets...
Astronomers nail down the origins of rare loner dwarf galaxies
The results provide a blueprint for finding such systems in the universe’s quieter, emptier regions.
By definition, dwarf galaxies are small and dim, with just...
Scientists reveal how the very faint dwarf galaxies are born
As their name suggests, ultradiffuse galaxies, or UDGs, are dwarf galaxies whose stars are spread out over a vast region, resulting in extremely low...
Human mission to mars should last a maximum of 4 years
At one time, the idea of sending humans to Mars either seemed like a distant prospect or something out of science fiction.
But with multiple...
Ocean worlds with hydrogen-rich atmospheres could be the perfect spots for life
The search for planets beyond our Solar System (extrasolar planets) has grown by leaps and bounds in the past decade.
A total of 4,514 exoplanets...
NASA’s planetary radar observes 1,000th near-earth asteroid since 1968
On Aug. 14, 2021, a small near-Earth asteroid (NEA) designated 2021 PJ1 passed our planet at a distance of over 1 million miles (about...
Stellar collision triggers supernova explosion, shows study
Astronomers have found dramatic evidence that a black hole or neutron star spiraled its way into the core of a companion star and caused...
A black hole triggers a premature supernova, shows study
Dead star plunges into star, star explodes.
In 2017, a particularly luminous and unusual source of radio waves was discovered in data taken by the...
Young star reveals how our planet, sun, and solar system formed
Astronomers have discovered a strangely shaped spot on the surface of a baby star 450 million light-years away, revealing new insights into how our...
How the second largest asteroid in our solar system formed
The asteroid Vesta is the second largest asteroid in our solar system.
With a diameter of about 330 miles, it orbits the sun between the...